2019年4月14日
ZOJ - 3932 Handshakes
摘要： Last week, n students participated in the annual programming contest of Marjar University. Students are labeled from 1 to n. They came to the competit 阅读全文
posted @ 2019-04-14 18:06 明霞 阅读(152) 评论(0) 推荐(0)
ZOJ - 3935 2016
摘要： In mathematics, a polygonal number is a number represented as dots or pebbles arranged in the shape of a regular polygon. The dots are thought of as a 阅读全文
posted @ 2019-04-14 17:27 明霞 阅读(161) 评论(0) 推荐(0)